Trolley platform



FIG. 1 is a front, right side and top perspective view of a trolley platform comprising a new, original and ornamental design;

FIG. 2 is a rear, right side and bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a rear view thereof.

The broken lines in the drawings depict portions of the trolley platform that form no part of claimed design. 

CLAIM The ornamental design for a trolley platform, substantially as shown and described. 